CONTENIDO: DATA ARE RANDOM AND MISCELLANEOUS
Presenting Data in Context ..
Time Series Graphs
Tally Plots
Comparing Time Series
Numerical Summaries of Data: Averages
Numerical Summaries of Data: Ranges
The First Principle for Understanding Data
KNOWLEDGE IS ORDERLY AND CUMULATIVE
Comparisons to Specifications
Comparisons to Averages
Shewhart’s Approach to Interpreting Data
Understanding the Trade Deficits
The Second Principle for Understanding Data
THE PURPOSE OF ANALYSIS IS INSIGHT
Charts for Individual Values and Moving Ranges
Finding the Moving Ranges
The Two Graphs in an XmR Chart
Computing Limits for an XmR Chart
Interpreting the XmR Chart
A Chart for On-Time Shipments
The Premium Freight Data
So What’s The Difference?
Monthly Receipts . iv
THE BEST ANALYSIS IS THE SIMPLEST ANALYSIS
Premium Freight Revisited
Production Volumes
First Time Approval Rates
There is Nothing New Under the Sun
Pounds Scrapped
OSHA Reportables
The Rest of the Story
BUT YOU HAVE TO USE THE RIGHT DATA
On-Time Closings of Accounts
Hot Metal
Material Costs
Spills
LOOK WHAT YOU’VE BEEN MISSING Lessons
What Should You Do Now?
The Transformation
What Should You Do Starting Tomorrow?
But It Can’t Be That Easy, Can It?
Which of These Imperatives Can You Afford to Ignore?
Appendices
Three Types of Action
A Characterization of a Predictable Process
A Characterization of an Unpredictable Process
For Further Reading
XmR Charts Using the Average Moving Range
XmR Charts Using the Median Moving Range
Where Do the Scaling Factors Come From?
Why Not Use p-Charts?
If It Ain’t Broke, Don’t Fix It!
The New Terminology
Index
